CVE-2021-36891 MEDIUM

CVE-2021-36891: WordPress Photo Gallery by Supsystic plugin <= 1.15.5 - Cross-Site Request Forgery (CSRF) leading to Plugin Settings Change

Vendor Supsystic
Product Photo Gallery by Supsystic (WordPress plugin)
Weakness CWE-352 · CSRF
Published June 15, 2022
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

5.4/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality None
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L

What the vulnerability does

01Description

Cross-Site Request Forgery (CSRF) vulnerability in Photo Gallery by Supsystic plugin <= 1.15.5 at WordPress allows changing the plugin settings.

Explanation of Vulnerability in Simple Terms

02Summary

Photo Gallery by Supsystic versions up to 1.15.5 are vulnerable to cross-site request forgery (CSRF). An attacker can craft a malicious webpage that, when visited by a logged-in site administrator, performs unwanted actions on the gallery plugin without the admin's knowledge or consent. The attacker needs the admin to visit their page while logged into WordPress.

What an attacker can do

03Attacker Capabilities

Perform unwanted actions on the photo gallery plugin by tricking a logged-in admin into visiting a malicious webpage.

Potential impact on your site

04Site Impact

An attacker could modify gallery settings, delete photos, or change plugin configuration without your permission.

Conditions required to exploit

05Prerequisites

Site admin must be logged into WordPress and visit an attacker-controlled webpage.

Key dates

06Disclosure timeline

June 15, 2022 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE

CVE-2026-65471 WordPress Avada Core plugin <= 5.15.6 - Cross Site Request Forgery (CSRF) vulnerability CVE-2026-65539 WordPress Kwayy HTML Sitemap plugin <= 4.0 - CSRF to Stored XSS vulnerability CVE-2026-63684 Joomla Extension - regularlabs.com - Inconsistent CSRF token checks / privilege checks in various admin/import/export actions of multiple Regular Labs extension CVE-2026-4275 Divi Torque Lite <= 4.2.3 - Cross-Site Request Forgery to Arbitrary Plugin Installation via 'install_plugin' REST Endpoint CVE-2026-13422 HD Quiz 2.2.0 - 2.2.1 - Cross-Site Request Forgery via Multiple AJAX Handlers